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    75A 3-phase EMI Line Filter for welding machines

    75A 3-phase EMI filter, dual stage, voltage rating 440V, easy mounting with screw output terminals, excellent performance in differetial mode, can be used in machine tools like welding machines, etc.
    SKU: ATO-EMI-83G475
    Free Shipping Worldwide
    Delivery date: 6-12 days

    75A EMI power line filter in dual-stage configuration, is widely used in the servo system, automation equipment and machine tools, etc.

    75A 3-Phase Filter Specification

    Model ATO-YX83G4-75A
    Filter Type Three Phase
    Configuration Dual Stage
    Rated Current @ 40℃ 75A
    Rated Voltage 250/440V AC
    Operating Frequency 50/60Hz
    Leakage Current ≤15mA @ 250V AC 50Hz
    Filter Range 150KHz-30MHz
    Hipot Rating (one minute) Line to Line 1450V DC
    Line to Ground 2250V DC
    Climatic Category 25/085/21
    Working Tempearte -25°C~+85°C
    Output Termainal Screw
    Dimension See below


    3-phase emi line filter dimension

    Electrical Schematic

    3-phase dual stage emi filter electrical schematic

    Tips: What is low pass filter?
    Low pass filter is an electrical filter device which only allows the signal lower than cut-off frequency to pass, and all the signal higher than cut-off frequency can’t pass. The performance of low pass filter in signal processing is similar to the rolling average performance in finance field. For different filter, the weakening degree of each frequency signal is different. Low pass filter has many types, of which, Butterworth, Chebyshev are often used.
    Low pass filter principle is very simple, making use of capacitor to pass high frequency and prevent low frequency, and inductor for low frequency pass and high frequency stop. The principle of low pass filter is, for the cut-off high frequency, prevent it by capacitor absorbing and inductor blocking; for low frequency needed, make it pass via the characteristics of capacitor with high resistance and inductive with low resistance.

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